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5
votes
6answers
6k views

Internal microphone not working

I have an internal microphone in my laptop. I think it uses Intel High Definition Audio. But I can't get it to work with Ubuntu. It doesn't work with either the Sound Recorder or Skype. On the Input ...
5
votes
4answers
4k views

Changing brightness on a Sony Vaio laptop

I just installed Ubuntu 10.10 on a Sony Vaio laptop. The brightness functions keys don't change the brightness. When I try to change the brightness I can see the levels going up and down in the ...
8
votes
1answer
809 views

How to determine what happened and locate the problem when my system freezes?

Hello I had some freezes with my desktop. It is Lucid 10.04 on a Lenovo 3000 N200. System freezes completely. How can I locate the problem?
7
votes
3answers
4k views

Ubuntu won't suspend anymore, but it did upon install

I fresh installed Ubuntu 10.10 back when it came out, and my laptop was suspending fine. All of a sudden, I can't get my laptop to suspend anymore. It's an HP Pavilion dv2-1110, but I don't think it's ...
6
votes
1answer
668 views

How can I find out which programs have modified a file over some period of time?

I'd like to better understand which programs are modifying a specific file1 during a reboot. Can I set something up to log this kind of information? Polling for which processes currently have the ...
2
votes
2answers
4k views

Unable to enumerate USB device

My syslog is constantly filled with messages like this: Oct 16 11:48:35 my-laptop kernel: [61470.980078] hub 1-0:1.0: unable to enumerate USB device on port 2 Oct 16 11:48:35 my-laptop kernel: ...
14
votes
0answers
6k views

Randomly Freezes - How Can I Diagnose the Problem? [duplicate]

Possible Duplicate: What should I do when Ubuntu freezes? At random times, Ubuntu 10.04 freezes, and I have to do a hard shutdown. It was upgraded from 9.10 which didn't freeze. First, is ...
12
votes
2answers
16k views

Troubleshooting failed VPN connection

Is there anyway to get an error log for a failed VPN connection attempt? All I get is this notification and I have no idea where to go from there:
1
vote
1answer
904 views

How do I troubleshoot S-Video + audio jack output not working?

I connect my laptop to my TV using S-Video + audio jack. This worked perfectly in 10.10 but has stopped working in 11.04. I have tried switching from Ubuntu (Unity) to Ubuntu (No effects) and Ubuntu ...
1
vote
2answers
445 views

Login keyring box frozen [closed]

I'm new to ubuntu and I'm afraid I've done something really stupid. After booting, When prompted to enter a password to unlock my login keyring, I tried to enter in my password, but it won't let me. ...
4
votes
3answers
5k views

Laptop Brightness Problem on Toshiba Portege R705-P35

Basic Specs: Toshiba Portege R705-P35 13.1" screen Intel HD Graphics 4 GB RAM, Core i3 2.4 GHz Dual Boot Ubuntu 11.04 and Windows 7 (using grub bootloader) Basically, Ubuntu recognizes me ...
3
votes
1answer
558 views

Switch user fails to complete successfully [closed]

Switching users is not reliable; when switching users, often when returning to the first logged-on user, the computer ends up a blank screen and I must turn it fully off with the power button. ...
5
votes
1answer
2k views

How do you diagnose constant crashing issues?

My recent installation 10.10 on my laptop keeps freezing/crashing on start-up after working perfectly for one day. The system just freezes, like a screnshot, and a restart is required. It happens ...
4
votes
4answers
2k views

Chromium doesn't work

My chromium browser doesn't work for some reason. What I mean by that is that it doesn't even start up when I click on chromium icon or choose chromium from applications menu. What might be the ...
2
votes
0answers
134 views

File uploaded but never completed [closed]

I put a file in the Ubuntu One folder and it gets uploaded 100% and then nothing happens. I do not get a message it has completed and looking at the website it has not been uploaded. This generally ...
2
votes
2answers
607 views

Can't access any functions after chown command

I am not being to access any functions in my desktop and I don't have an OS besides Ubuntu and I am new to Ubuntu. I think I rebooted my computer thinking that Google Chrome crashed. I opened Google ...
0
votes
1answer
490 views

Ubuntu can't update some repositories [duplicate]

Possible Duplicate: What is the easiest way to resolve apt-get BADSIG GPG errors? Why can't Ubuntu update some repositories? especially from extras.ubuntu.com, PPA Tualatrix for Ubuntu ...
2
votes
2answers
2k views

How do I fix a garbled screen on a Gateway LT3103u?

I've been having garbled screen problems on a Gateway LT3103u on Ubuntu for a while. I just did a fresh install of Ubuntu 11.10 and continue to have issues. I installed xubuntu-desktop in case the ...
2
votes
0answers
665 views

/dev/mapper/cryptsetup1 is not ready yet or not present, slow system [closed]

Today I had a very high system load because I used many applications at the same time (VirtualBox, totem, firefox,...). The load was so high, that the system almost didn't react anymore. Then I killed ...
2
votes
2answers
3k views

Wubi install cannot see/connect to any wifi?

I installed 11.0`4 via wubi on my new Acer Aspire 7551G-7606. When I boot it up it cannot detect wifi. As a matter of fact, the "Enable Wifi" checkbox in the dropdown is disabled and when I enable it ...
2
votes
2answers
504 views

Cannot get to Grub after addition of new Win7 drive and install of 11.04

The TL:DR on this is that I had a working dual-boot. I then added a new drive with Win7. Which works fine and serves most of my needs, but I cannot now get to Linux. I'd like to get to Linux ...
2
votes
1answer
2k views

Computer won't sleep

When I try to put my Ubuntu 10.10 box to sleep or into hibernation, it appears to wake up right away (couple of seconds at most). I am trying to figure out what's going on, and would appreciate any ...
2
votes
4answers
2k views

Ubuntu sound not working

I am using Ubuntu 10.10 and my sound stopped working. It had happened before and I had a vague recollection that reinstalling something worked so I did: sudo apt-get purge pulseaudio sudo apt-get ...
0
votes
0answers
321 views

Diagnose Wifi connection, ubuntu 13.04 and Lenovo U310

I own a Lenovo U310.. I know the notebook has a reputation for having Wireless problems.. mine was manofactured this year and works great when connected to most wifi adapters.. but there are a few ...
0
votes
5answers
2k views

What can I do when Ubuntu freezes for some unknown mysterious reasons?

I'm using Ubuntu 12.04 but of some unknown reason sometime Ubuntu get stuck, no motion what so ever. If i try to move a mouse it doesn't respond and same thing with the keyboard. I hope at least some ...
0
votes
1answer
1k views

RTL8190 UNCLAIMED?

I have recently installed UBuntu and I'm having problems with my (RTL8190) card. I followed the steps listed here - https://help.ubuntu.com/10.04/internet/C/troubleshooting-wireless.html After ...